Master long exposure photography with the ultimate ND filter calculator app. Xposure is designed for photographers who love creative control and stunning results. Whether you’re shooting silky waterfalls, smooth cloud streaks, or ghost-free architecture, Xposure takes the guesswork out of ND filter use.

Built by photographers, for photographers — xposure offers two powerful tools to plan your perfect exposure, every time.

Effects-Based ND Filter Calculator
Instead of starting with the filter you have, start with the effect you want. Xposure lets you choose your desired creative outcome—like smoothing water or creating dreamy skies—and calculates the exact ND filter strength you need.

Traditional ND Calculator
Quickly determine your new exposure time with our traditional ND filter calculator. Simply input your specific filter details and let us do the rest.

Xposure makes planning long exposure shots simple, fast, and accurate—so you can focus on capturing the perfect frame.